How can I unlock LFS S3? Can I make my own cars/tracks for LFS? Why does LFS S3 only contain one track? How often can I unlock? Where can I find car setup help? Where can I upgrade Live for Speed license? I want to run a host from behind a firewall, router or connection sharing - which port needs to be open? How can I run a host? How can I run a host on Linux? System requirements Is there a Linux or Mac port available, or will there be? I cannot unlock LFS! I'm getting an error message when i try. I've received a voucher code to upgrade my LFS account with, but how should I use it? I have forgotten my password. I have to reinstall LFS. Can I backup settings and skins?